Indoor positioning systems provide positioning capability to a wide array of applications. Although indoor positioning, in general, is challenging, harsh industrial environments pose unique challenges to wireless positioning, particularly in underground mining. This article reviews the state of the art of wireless positioning in underground mines. The requirements for key uses cases and the suitability of different wireless technologies are analyzed. Challenges and recent advances are also highlighted and explored. Several of these aspects are discussed from a South African perspective, where the mining industry plays an especially important role. Interesting possibilities for future work in wireless positioning for underground mines are also presented.

中文翻译：

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地下矿井无线定位：挑战和最新进展

室内定位系统为广泛的应用提供定位能力。虽然室内定位通常具有挑战性，但恶劣的工业环境对无线定位提出了独特的挑战，尤其是在地下采矿中。本文回顾了地下矿井中无线定位的最新技术。分析了关键用例的要求和不同无线技术的适用性。还强调和探讨了挑战和最新进展。从南非的角度讨论了其中几个方面，其中采矿业发挥着特别重要的作用。还介绍了地下矿井无线定位未来工作的有趣可能性。